The whole castle is protected by high and massive walls and broad moats.
They are nearly all surrounded by strong mud walls and outer dry moats.
The castle was formerly defended by three moats, one of them formed by the Medway.
Bergschrunds, couloirs, moats and seracs peppered conversations—animated tales of past ascents of both ice and stone.
The moats were then categorized as ' moated enclosures with stronger defensive works ' .